---
title: "MCU_Microchip_8051"
symbolcount: "12"
layout: symlib
archivesize: "883"
---

<table>
<tr>
<th>Symbol</th>
<th>Description</th>
</tr>
<tr>
<td>AT89C2051-12P</td><td>Description: 12MHz, 2kB Flash, 128B SRAM, DIP-20<br>Keys: MCS-51 8bit Flash Microcontroller<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/doc0368.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/doc0368.pdf</a></td>
</tr>
<tr>
<td>AT89C2051-12S</td><td>Description: 12MHz, 2kB Flash, 128B SRAM, SOIC-20<br>Keys: MCS-51 8bit Flash Microcontroller<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/doc0368.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/doc0368.pdf</a></td>
</tr>
<tr>
<td>AT89C2051-24P</td><td>Description: 24MHz, 2kB Flash, 128B SRAM, DIP-20<br>Keys: MCS-51 8bit Flash Microcontroller<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/doc0368.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/doc0368.pdf</a></td>
</tr>
<tr>
<td>AT89C2051-24S</td><td>Description: 24MHz, 2kB Flash, 128B SRAM, SOIC-20<br>Keys: MCS-51 8bit Flash Microcontroller<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/doc0368.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/doc0368.pdf</a></td>
</tr>
<tr>
<td>AT89C4051-12P</td><td>Description: 12MHz, 4kB Flash, 128B SRAM, DIP-20<br>Keys: MCS-51 8bit Flash Microcontroller<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/doc1001.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/doc1001.pdf</a></td>
</tr>
<tr>
<td>AT89C4051-12S</td><td>Description: 12MHz, 4kB Flash, 128B SRAM, SOIC-20<br>Keys: MCS-51 8bit Flash Microcontroller<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/doc1001.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/doc1001.pdf</a></td>
</tr>
<tr>
<td>AT89C4051-24P</td><td>Description: 24MHz, 4kB Flash, 128B SRAM, DIP-20<br>Keys: MCS-51 8bit Flash Microcontroller<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/doc1001.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/doc1001.pdf</a></td>
</tr>
<tr>
<td>AT89C4051-24S</td><td>Description: 24MHz, 4kB Flash, 128B SRAM, SOIC-20<br>Keys: MCS-51 8bit Flash Microcontroller<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/doc1001.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/doc1001.pdf</a></td>
</tr>
<tr>
<td>AT89S2051-24P</td><td>Description: 24MHz, 2kB Flash, 256B SRAM, DIP-20<br>Keys: MCS-51 8bit Flash Microcontroller<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/doc3390.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/doc3390.pdf</a></td>
</tr>
<tr>
<td>AT89S2051-24S</td><td>Description: 24MHz, 2kB Flash, 256B SRAM, SOIC-20<br>Keys: MCS-51 8bit Flash Microcontroller<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/doc3390.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/doc3390.pdf</a></td>
</tr>
<tr>
<td>AT89S4051-24P</td><td>Description: 24MHz, 4kB Flash, 256B SRAM, DIP-20<br>Keys: MCS-51 8bit Flash Microcontroller<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/doc3390.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/doc3390.pdf</a></td>
</tr>
<tr>
<td>AT89S4051-24S</td><td>Description: 24MHz, 4kB Flash, 256B SRAM, SOIC-20<br>Keys: MCS-51 8bit Flash Microcontroller<br>Datasheet: <a href="http://ww1.microchip.com/downloads/en/DeviceDoc/doc3390.pdf">http://ww1.microchip.com/downloads/en/DeviceDoc/doc3390.pdf</a></td>
</tr>
</table>
